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How to capture a button click inside a collopsible panel???

Posted By:      Posted Date: September 25, 2010    Points: 0   Category :ASP.Net
 

Hi

I have a webform that has a coloopsible panel I want to put a button inside the colopsible panel. How do I capture the button click in the code behind?

Thank You

Here is my code: I want to capture the button click of Button1

<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %>

<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
       <asp:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server">
     &n


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